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. (3)
4-H Clubs--Sociological Aspects. (1)
4-H Clubs--West Virginia (1)
Abeilles--Anatomie.. (1)
Acaricides--Florida--Orlando--Testing (1)
Acaricides. (1)
Acetic Acid. (1)
Acorns--United States (1)
Adhesive Joints (4)
Adhesive Joints--Drying (1)
Aerial Spraying And Dusting In Agriculture (6)
Aerial Spraying And Dusting In Agriculture--Arizona (1)
Aerial Spraying And Dusting In Agriculture--Equipment And Supplies (1)
Aerial Spraying And Dusting In Agriculture--Equipment And Supplies. (1)
Aerial Spraying And Dusting In Agriculture--Lake States. (1)
Aerial Spraying And Dusting In Agriculture. (4)
Aeronautics, Commercial--Freight (1)
Aerosol Propellants--Testing. (1)
Aerosols (6)
Aerosols--Analysis (1)
Aerosols--Analysis. (1)
Aerosols--Industrial Applications (2)
Aerosols--Testing (1)
Aerosols. (6)
Africa, West (1)
Agricultural Chemicals--Measurement. (1)
Agricultural Chemicals--Physiological Effect (1)
Agricultural Chemicals. (2)
Agricultural Colleges--Law And Legislation--United States (3)
Agricultural Colleges--United States (6)
Agricultural Colleges--United States. (3)
Agricultural Credit (1)
Agricultural Credit--Minnesota. (1)
Agricultural Credit--Southern States. (1)
Agricultural Credit--United States (3)
Agricultural Education--Canada (1)
Agricultural Education--United States (1)
Agricultural Education--United States. (4)
Agricultural Education. (2)
Agricultural Estimating And Reporting--United States. (5)
Agricultural Exhibitions. (1)
Agricultural Experiment Stations--Arizona (1)
Agricultural Experiment Stations--California (1)
Agricultural Experiment Stations--Law And Legislation--United States. (3)
Agricultural Experiment Stations--Oregon (1)
Agricultural Experiment Stations--Research--United States. (1)
Agricultural Experiment Stations--Texas (1)
Agricultural Experiment Stations--Texas. (2)
Agricultural Experiment Stations--United States (6)
Agricultural Experiment Stations--United States. (10)
Agricultural Experiment Stations. (4)
Agricultural Extension Work--United States (1)
Agricultural Extension Work--United States--Finance (1)
Agricultural Implements (9)
Agricultural Implements. (1)
Agricultural Laborers--United States (1)
Agricultural Laws And Legislation--United States. (1)
Agricultural Machinery (2)
Agricultural Machinery--United States--Finance (1)
Agricultural Pests (17)
Agricultural Pests--Control--Florida. (2)
Agricultural Pests--United States (1)
Agricultural Pests. (13)
Agricultural Wages--Florida (1)
Agriculture, Cooperative--United States (1)
Agriculture, Cooperative. (2)
Agriculture--Accounting (2)
Agriculture--Accounting. (1)
Agriculture--Alaska. (1)
Agriculture--Arizona. (1)
Agriculture--Bibliography. (1)
Agriculture--California (1)
Agriculture--Columbia River Valley (1)
Agriculture--Economic Aspects (2)
Agriculture--Economic Aspects--United States (2)
Agriculture--Economic Aspects--United States. (1)
Agriculture--Economic Aspects. (2)
Agriculture--Experimentation. (1)
Agriculture--Finance (1)
Agriculture--Montana. (1)
Agriculture--Oklahoma (1)
Agriculture--South Dakota. (1)
Agriculture--Study And Teaching (5)
Agriculture--Study And Teaching. (1)
Agriculture--United States (10)
Agriculture--United States. (6)
Agriculture And State--United States (1)
Air Flow (1)
Air Flow--Measurement. (1)
Air Flow. (1)
Airframes--Effect Of Temperature On (2)
Airplanes--Materials (1)
Alcohols (1)
Alder--Diseases And Pests (2)
Alder Blight. (2)
Aldrin--Testing. (1)
Aleyrodidae (13)
Aleyrodidae--America (1)
Aleyrodidae--Control--Florida (2)
Aleyrodidae. (5)
Alfalfa (2)
Alfalfa--Diseases And Pests (1)
Alfalfa--Diseases And Pests--Control (1)
Alfalfa--Diseases And Pests--Control--Arizona (2)
Alfalfa--Diseases And Pests--Control--Arizona. (1)
Alfalfa--Diseases And Pests--Control. (1)
Alfalfa--Seeds--Diseases And Pests--Control--Arizona. (1)
Alfalfa--Seeds--United States. (1)
Alfalfa--Seeds. (1)
Alfalfa. (2)
Alfalfa Caterpillar. (1)
Alfalfa Weevil (2)
Alfalfa Weevil--Control (1)
Alfalfa Weevil--Control--Mexico. (2)
Alkaloids (2)
Alkaloids. (1)
Allethrin (3)
Allethrin. (1)
Almond Industry. (1)
Alsike Clover--Seeds--Oregon--Willamette River Valley (1)
Aluminum Alloys. (1)
Amblyomma--Control--Southern States (1)
Ambrosia Beetles--Gulf States. (1)
Ambrosia Beetles--South Atlantic States (1)
American Cockroach--Control (1)
American Dog Tick--Control (1)
American Foulbrood (1)
American Foulbrood--Law And Legislation--North America. (1)
American Foulbrood. (2)
Amides. (1)
Anabrus Simplex--Control--West (U.S.. (1)
Anabrus Simplex--Identification (1)
Angora Goat. (1)
Aniline (1)
Aniline. (1)
Animal Breeds--United States (1)
Animal Breeds--United States. (6)
Animal Industry--Argentina. (1)
Animal Industry--Law And Legislation--United States (1)
Animal Industry--Law And Legislation--United States. (92)
Animal Industry--Law And Legislation. (3)
Animal Industry--United States. (1)
Animal Products. (1)
Animals, Domestic--Trade And Statistics--United States. (1)
Animals--Transportation--Law And Legislation--United States (1)
Anoplura--Control. (1)
Ants. (3)
Aonidiella Aurantii (1)
Aphelinidae (10)
Aphelinidae--North America (1)
Aphelinidae--North America--Anatomy (1)
Aphelinus Mali (1)
Aphids (3)
Aphids--Control--California. (1)
Aphids--Control. (1)
Aphids--Life Cycles (1)
Aphids--Speciation (10)
Aphids--Speciation--History (1)
Aphids. (5)
Aphis (2)
Apple-aphis. (2)
Apple-tree Borers (3)
Apple Maggot (2)
Apples--Diseases And Pests (4)
Apples--Diseases And Pests. (6)
Apples--Packing--United States (1)
Aquatic Insects--Control. (1)
Aquatic Plants--Law And Legislation--Greece. (1)
Araliaceae (1)
Argas Persicus. (2)
Argentine Ant. (1)
Armyworms. (1)
Arsenates (1)
Arsenates. (1)
Arthropod Pests (1)
Arthropod Pests--Control (1)
Asparagus--Diseases And Pests (2)
Asparagus--Diseases And Pests--Control (1)
Asparagus Beetle--Larvae--Control (1)
Asparagus Beetle. (1)
Aspen (2)
Atomization--Equipment And Supplies (1)
Attics--Heating And Ventilation (1)
Automatic Timers (1)
Automobiles--Windows And Windshields. (1)
Avian Botulism (1)
Avocado--Hawaii (1)
Azo Compounds (1)
Babesiosis--Law And Legislation--United States. (14)
Babesiosis In Cattle--Law And Legislation--United States (10)
Babesiosis In Cattle--Law And Legislation--United States. (10)
Babesiosis In Cattle. (2)
Bacteria. (1)
Bacterial Insecticides (1)
Bacterial Spores (2)
Bananas--Bermuda Islands. (1)
Bananas--Hawaii. (1)
Bananas--Quarantine--Mexico. (2)
Bananas--Quarantine--Saint Lucia (1)
Bananas--United States. (1)
Bankruptcy--Agriculture--United States (1)
Bankruptcy. (1)
Banks And Banking--United States. (1)
Barberries--Diseases And Pests--Control--United States (5)
Barberries--Law And Legislation--United States (8)
Bark Beetles (1)
Bark Beetles--Control. (2)
Barley--Great Plains (1)
Barley--Postharvest Losses--Prevention (1)
Barley--United States. (2)
Barley Industry--United States. (1)
Barrels. (1)
Bean Thrips--Life Cycles. Bean Thrips--Control. (1)
Bedbugs--Control. (1)
Bedbugs. (1)
Beds (Gardens)--United States--Design And Construction (2)
Bee Culture (2)
Bee Culture--Puerto Rico. (1)
Bee Culture--Queen Rearing. (4)
Bee Culture--United States. (9)
Bee Culture--Utah (1)
Bee Culture. (1)
Beef--New Mexico. (1)
Beehives--United States (1)
Beehives. (2)
Bee Pollen--Pacific Coast (U.S.. (1)
Bees (1)
Bees--Diseases (2)
Bees--Diseases. (4)
Beeswax (1)
Beeswax Industry. (1)
Beet Leaf-hopper--Host Plants--California--San Joaquin Valley (1)
Beet Leafhopper (1)
Beet Leafhopper--Control (1)
Beet Leafhopper--Control--Arizona (1)
Beet Leafhopper--Control--California--Sacramento Valley. (1)
Beet Leafhopper--Control--California--San Joaquin Valley. (1)
Beet Leafhopper--Control--New Mexico (1)
Beet Leafhopper--Control. (3)
Beet Leafhopper. (4)
Beetles (1)
Beetles, Nuts: Diseases And Pests. (1)
Beetles--Control (1)
Beetles--Control--Quarantine (1)
Beetles--Control. (1)
Beetles--Diseases And Pests. (1)
Beetles. (3)
Beets--Diseases And Pests--Arizona (1)
Beets--Diseases And Pests--California--Sacramento Valley (1)
Beets--Diseases And Pests--New Mexico. (1)
Beet Sugar--Varieties--United States (1)
Beet Sugar Industry--United States. (1)
Beneficial Birds--Maryland. (1)
Beneficial Insects (26)
Beneficial Insects--United States (62)
Beneficial Insects. (1)
Benzamide. (2)
Benzenedicarbonitrile (1)
Bignoniaceae (1)
Big Thompson River (Colo.) Irrigation Colorado. Reservoirs.United States. (1)
Biological Control. (1)
Biological Control. Parasites.Browntail Moth (1)
Biological Insecticides (15)
Biological Insecticides--Testing (6)
Biological Insecticides--Testing. (2)
Biological Insecticides. (11)
Biomechanics. (1)
Biphenyl Compounds (1)
Birch (1)
Birch--Diseases And Pests. (1)
Birds (1)
Birds--Arkansas. (1)
Birds--California--Fruit--Diseases And Pests. (1)
Birds--Conservation--Law And Legislation--United States.Bird Protection. (1)
Birds--Conservation. (2)
Birds--Eggs (1)
Birds--Food--Bibliography. (1)
Birds--Food--Boll Weevil--Biological Control. (1)
Birds--Hawaii--Laysan Island (1)
Birds--Maryland (1)
Birds--Maryland. (1)
Birds--Nests (1)
Birds--Research (1)
Birds--Southern States (1)
Bleaching. (1)
Blister Rust--Control--Law And Legislation--United States (3)
Blister Rust--Control--Quarantine (3)
Blister Rust--Control--United States (1)
Blister Rust. (1)
Blowflies--Larvae--Control (1)
Blueberries--Diseases And Pests--United States (1)
Blueberries--Prices--United States. (1)
Blueberries--Soils--United States (1)
Blueberries--United States (1)
Blueberries--Varieties--United States (1)
Bluegrasses. (1)
Blue Stain (1)
Bobolink. Blackbirds. Grackles. Birds. Food. (1)
Boll Weevil (9)
Boll Weevil--Biological Control--Birds--Food. (2)
Boll Weevil--Biological Control. (1)
Boll Weevil--Control (1)
Boll Weevil--Control. (2)
Boll Weevil--Florida. (1)
Boll Weevil--United States. (1)
Boll Weevil. (11)
Bone Products (1)
Bordeaux Mixture. (2)
Borers (Insects (1)
Borers (Insects)--Control--West (U.S.. (1)
Borers (Insects)--Control. (1)
Borers (Insects. (1)
Botanical Insecticides (6)
Botanical Insecticides--Patents (1)
Botanical Insecticides. (2)
Botany, Economic--United States. (2)
Botany--Black Hills National Forest (S.D. And Wyo. (1)
Botany--Kansas. (1)
Botany--Nebraska (1)
Botany--Study And Teaching (Elementary. (1)
Botany--Texas. (1)
Botany. (1)
Bread. (1)
Briquets (Fuel. (1)
Bromomethane (10)
Bromomethane--Bibliography (1)
Bromomethane--Testing (1)
Bromomethane. (7)
Broomcorn--Cuba. (1)
Broomcorn--Fumigation--Methods (1)
Broomcorn Brooms. (1)
Brown Dog Tick--Control (1)
Brown Dog Tick--Control. (1)
Brown Rot (2)
Browntail Moth--Control--Law And Legislation--United States (2)
Browntail Moth--Control--Law And Legislation--United States. (11)
Browntail Moth--Quarantine (3)
Brucellosis In Cattle (4)
Bryobia Praetiosa. (3)
Building Materials (1)
Building Materials--Mechanical Properties (1)
Buildings--Pest Control (1)
Buildings--Protection (1)
Bulbs (Plants)--Diseases And Pests (1)
Bulbs (Plants)--Diseases And Pests--Control. (1)
Bulbs (Plants)--United States (2)
Burlap--Law And Legislation--United States (2)
Butter (1)
Butter--Composition. (1)
Butter--Illinois--Chicago (1)
Butter--Law And Legislation--United States. (1)
Butter--New York (State)--New York (1)
Butter--Storage. (1)
Butter. (1)
Butter Trade-- Hawaii. (1)
Butyric Acid (1)
Cabbage--Diseases And Pests (3)
Cabbage--Diseases And Pests--Control--Southern States (1)
Cabbage--Diseases And Pests--Southern States (1)
Cabbage--Diseases And Pests. (3)
Cabbage--Storage. (1)
Caesalpiniaceae. (1)
California And Georgia Thysanoptera (1)
Calves--Feeding And Feeds--Alabama (1)
Camellias--Diseases And Pests--Control--South Carolina. (1)
Camembert Cheese. (2)
Canna--Hawaii--Hawaii Island. (1)
Canna--Hawaii. (2)
Cannabis--Agriculture. (1)
Canneries--Waste Disposal--United States (1)
Caption Title (1)
Carbon Dioxide (1)
Carbon Disulfide (1)
Carpet Beetles. (1)
Castanea--United States. (1)
Castor Beans--Diseases And Pests. (1)
Castor Oil Plant. (1)
Catch Crops (1)
Caterpillars--Control (1)
Caterpillars--Control--Southern States (1)
Caterpillars--Control. (1)
Caterpillars--Identification. (1)
Cattle--Diseases (1)
Cattle--Diseases. (1)
Cattle--Diseases And Pests (2)
Cattle--Diseases And Pests--Control (2)
Cattle--Feeding And Feeds--Alabama. (1)
Cattle--Feeding And Feeds--Texas. (1)
Cattle--Feeding And Feeds--United States. (27)
Cattle--Feeding And Feeds. (2)
Cattle--Mexico. (1)
Cattle--Parasites--Control (2)
Cattle--Parasites--Control. (1)
Cattle--Parasites. (1)
Cattle--United States. (1)
Cattle. (1)
Cattle. Parasites.Puerto Rico. (1)
Cattle Breeders--Denmark--Societies, Etc. (1)
Cattle Dip (2)
Cattle Dip--Analysis (1)
Cattle Lice--Control (1)
Cattle Tick (1)
Cattle Tick--Control. (1)
Cattle Tick. (2)
Cattle Trade--United States (1)
Cauliflower--Diseases And Pests (1)
Cauliflower--Diseases And Pests--Diagnosis. (1)
Celery Industry--Diseases And Pests. (1)
Cellulose--Chemistry (2)
Cellulose--Chemistry. (1)
Cellulose Fibers--Analysis (1)
Cement--Additives (1)
Ceratopogonidae. (1)
Chalcid Wasps--North America. (1)
Charcoal (1)
Charcoal Kilns. (1)
Cheddar Cheese--Microbiology. (1)
Cheddar Cheese. (1)
Cheese--Analysis (1)
Cheese--Storage. (1)
Cheese--Varieties (1)
Cheese--Varieties. (1)
Cheese. (2)
Cherry--Quarantine--Law And Legislation--Scotland. (1)
Chestnut--Diseases And Pests (1)
Chestnut--Quarantine--Switzerland. (1)
Chestnut-borer. (1)
Chestnut Weevils--Control--Southern States (1)
Chinch-bugs--Control (1)
Chinch-bugs--Control--North America. (1)
Chinch-bugs--North America (1)
Chinch-bugs. (2)
Chlordan (1)
Chlordan. (2)
Chlorofluorocarbons. (1)
Chlorohydrocarbons. (1)
Chlorosis (1)
Christmas Trees--Fires And Fire Prevention. (1)
Cicada (Genus. (1)
Cicada Genus. (1)
Cicuta. (1)
Cigarette Beetle (2)
Cigarette Beetle--Control (2)
Cigarette Beetle--Control. (1)
Cigarette Beetle--Larvae. (1)
Cigarette Beetle. (1)
Citrus (1)
Citrus--Diseases And Pests--Control (1)
Citrus--Diseases And Pests--Control--Texas (5)
Citrus--Diseases And Pests--Control--United States (1)
Citrus--Diseases And Pests--Control. (1)
Citrus--Diseases And Pests--Florida (1)
Citrus--Fumigation (1)
Citrus--Harvesting--Texas. (1)
Citrus--Harvesting Time--United States (9)
Citrus--Law And Legislation--Bulgaria (1)
Citrus--Mexico (2)
Citrus--Mexico. (3)
Citrus--Seeds. (1)
Citrus Black Fly--Control--Mexico (1)
Citrus Fruit Industry--Florida. (1)
Citrus Fruit Industry--Licenses--United States. (1)
Citrus Fruits (1)
Citrus Fruits--Mexico. (1)
Citrus Fruits--Puerto Rico (1)
Citrus Fruits. Fertilizers. Puerto Rico. (1)
Citrus Thrips (10)
Citrus Whitefly (2)
Citrus Whitefly--Control--Florida (1)
Civil Defense--United States. (1)
Classical Swine Fever. (1)
Clearing Of Land--Northwest, Pacific (1)
Clover--Diseases And Pests (2)
Co-operation, Agricultural--Canada (1)
Co-operation, Agricultural--United States (1)
Coccidae (10)
Coccidae. (8)
Cockroaches--Control--Testing. (1)
Cockroaches--Control. (1)
Cockroaches. (1)
Coconut Palm--Diseases And Pests. (1)
Coconut Palm--Fertilizers. (1)
Codling Moth (2)
Codling Moth--Control (2)
Codling Moth--Control--West (U.S. (1)
Codling Moth--Control. (2)
Codling Moth--Larvae--Control (3)
Codling Moth--Larvae--Research. (1)
Codling Moth--Northwestern States. (1)
Codling Moth. (2)
Coffee--Diseases And Pests--Puerto Rico. (1)
Coffee--Diseases And Pests--Quarantine. (1)
Coffee--Fertilizers--Puerto Rico. (1)
Coffee--Pruning--Puerto Rico. (1)
Coffee--Quarantine (1)
Coffee--Quarantine--Mexico (2)
Coffee--Varieties--Puerto Rico. (1)
Coffee--Venezuela. (1)
Coffee. Planting. Seedlings Transplanting. (1)
Coffee. Soils. Puerto Rico. (1)
Cold Storage (1)
Cold Storage. (1)
Colorado Potato Beetle--Control--Czechoslovakia. (1)
Colorado Potato Beetle--Control--Greece. (1)
Colorado Potato Beetle. (3)
Comfrey (1)
Competition--Agriculture--United States. (1)
Compression Wood--Identification. (1)
Confused Flour Beetle--Control (1)
Conifers--Diseases And Pests--California. (1)
Conifers--Quarantine--Dominican Republic. (1)
Conifers--Roots--Diseases And Pests--Control--Lake States. (1)
Conifers--Seeds--Diseases And Pests--Control--Lake States (1)
Containers (1)
Containers--Sanitation (1)
Cooking, Asian (1)
Cookware--Study And Teaching (Elementary. (1)
Cooperative Marketing Of Farm Produce--Law And Legislation--United States. (1)
Copper (1)
Copper-arsenic Alloys. (1)
Core Materials (1)
Core Materials--Testing (1)
Corms--Storage--Diseases And Pests (2)
Corms--United States (2)
Corn--Diseases And Pests (1)
Corn--Diseases And Pests--Control. (1)
Corn--Diseases And Pests--Monitoring. (1)
Corn--Diseases And Pests--United States. (1)
Corn--Diseases And Pests. (2)
Corn--Machinery. (1)
Corn--Protection. (1)
Corn-stalk Borer (2)
Corn Industry--Europe. (1)
Corn Industry--United States (1)
Corn Root-aphis. (1)
Corn Storage. (1)
Corporations--Agriculture--Finance. (1)
Cottage Cheese. (1)
Cotton (2)
Cotton--Arizona. (1)
Cotton--Barbados. (2)
Cotton--Climatic Factors. (2)
Cotton--Diseases And Pests (8)
Cotton--Diseases And Pests--Arizona (1)
Cotton--Diseases And Pests--Control (1)
Cotton--Diseases And Pests--Control--Arizona (1)
Cotton--Diseases And Pests--Control--Louisiana--Tallulah (1)
Cotton--Diseases And Pests--Control--Texas (2)
Cotton--Diseases And Pests--Control--United States (2)
Cotton--Diseases And Pests--Control--United States. (1)
Cotton--Diseases And Pests--Control. (1)
Cotton--Diseases And Pests. (6)
Cotton--Economic Aspects--Arkansas (1)
Cotton--Electric Properties. (1)
Cotton--Environmental Aspects. (1)
Cotton--Fumigation--Equipment And Supplies (2)
Cotton--Genetics. (1)
Cotton--Grading. (2)
Cotton--Italian East Africa (1)
Cotton--Law And Legislation--Africa, French-speaking Equatorial (1)
Cotton--Law And Legislation--United States (5)
Cotton--Law And Legislation--United States. (2)
Cotton--Louisiana--Tallulah--Field Experiments (1)
Cotton--Mutation Breeding. (1)
Cotton--Prices--United States. (1)
Cotton--Quarantine. (1)
Cotton--United States (2)
Cotton--United States--Marketing. (1)
Cotton--Utilization--United States (1)
Cotton-picking Machinery. (1)
Cotton. (5)
Cotton Aphid--Control (1)
Cotton Aphid. (1)
Cotton Diseases And Pest (1)
Cotton Diseases And Pests. (1)
Cotton Fabrics (1)
Cotton Growing--Hawaii. (1)
Cotton Growing--United States (1)
Cotton Growing--United States. (2)
Cotton Leafworm (1)
Cotton Leafworm.CottonDiseases And Pests. (1)
Cottonseed--Certification--United States. (1)
Cottonseed--Fumigation (1)
Cottonseed--Fumigation--United States (5)
Cottonseed--Grading (1)
Cottonseed--Law And Legislation--Africa, French-speaking Equatorial. (1)
Cottonseed--United States (4)
Cottonseed--United States--Geographical Distribution. (5)
Cottonseed. (1)
Cotton Spinning. (1)
Cotton Trade--Oklahoma (1)
Cotton Trade--United States (1)
Cotton Trade--United States. (2)
Cotton Trade. (19)
Cottonwood (1)
Country Life--United States. (1)
Cover Crops. Puerto Rico. (1)
Cow--Feeding--United States (1)
Coyote. (1)
Crates (1)
Crates. (1)
Cream (1)
Cream--Northeastern States (1)
Cream. (1)
Creosote. (1)
Crickets--Control. (1)
Crickets--West (U.S.)--Identification. (1)
Cronartium Ribicola--Control--Quarantine. (1)
Cronartium Ribicola. (1)
Crop Insurance (1)
Crop Losses--United States. (1)
Crop Losses. (1)
Crop Yields. (1)
Crop Zones--United States--Life Zones (1)
Crucifer Black Rot (1)
Cryolite (2)
Cuckoos (1)
Cucumbers--Diseases And Pests--Control (1)
Curly Top Disease--Control--Methodology. (1)
Currants--Quarantine (3)
Cut Flowers--Certification--United States. (1)
Cut Flowers--Law And Legislation--Chile. (1)
Cut Flowers--Transportation--United States. (1)
Cut Flowers--United States. (1)
Cutworms (3)
Cutworms--Control (1)
Cyanides (3)
Cylas Formicarius--Control (2)
Cylas Formicarius--Control--Louisiana (1)
Cylas Formicarius--Control. (1)
Cypress--Wounds And Injuries--Gulf States (1)
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Kilns. (6)
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Lagenaria--Africa, South--Culture (1)
Lagenaria Siceraria--South Africa (1)
Laminated Plastics (2)
Laminated Plastics--Effect Of Temperature On (1)
Laminated Plastics--Mechanical Properties (2)
Laminated Plastics--Mechanical Properties. (1)
Laminated Plastics. (1)
Laminated Wood--Testing (1)
Laminated Wood. (1)
Land--Metayer System--United States (1)
Land--Taxation--United States. (1)
Land Use--Taxation--United States (1)
Lantern Slides. (1)
Larches (1)
Larch Sawfly--Control--Lake States (1)
Larger Canna Leafroller. (2)
Larks. (1)
Lauraceae. (1)
Lawns. (1)
Leaching (1)
Lead Arsenate (2)
Lead Arsenate. (2)
Leaf-cutting Ants--Texas (2)
Leafhoppers (1)
Leafminers. (2)
Leaf Spots (2)
Leaves--Sampling--Equipment And Supplies (2)
Lecythidaceae. (2)
Legumes (1)
Lemon--United States. (1)
Leopard Moth. (2)
Lepidoptera--Control. (1)
Lepisma. (1)
Lice (1)
Lice--Control. (1)
Life Insurance--Economic Aspects. (1)
Life Insurance--United States--Finance (2)
Light Sources (1)
Lilies. (1)
Lima Bean--Diseases And Pests--California (1)
Lima Bean--Diseases And Pests--Control. (1)
Lima Bean--Seeds--Predators Of--Control. (1)
Lime--Hawaii. (1)
Limes (1)
Lindane (1)
Liquefied Gases. (3)
Litchi. (1)
Liver Flukes. (1)
Livestock--Diseases (2)
Livestock--Diseases And Pests--Control--Georgia (2)
Livestock--Diseases And Pests--Control. (1)
Livestock--Parasites--Control (3)
Livestock--Parasites--Control. (4)
Livestock--Study And Teaching (Elementary. (1)
Livestock--Transportation (3)
Livestock. (1)
Livestock Insurance. (1)
Livestock Poisoning Plants (1)
Loads (Mechanics. (4)
Loans--Agriculture (1)
Loblolly Pine (1)
Locusts--Control--Argentina. (1)
Locusts. (1)
Log Cabins--Conservation And Restoration. (1)
Logging--Equipment And Supplies. (1)
Loxostege (3)
Lumber (1)
Lumber--Diseases And Pests (1)
Lumber--Drying (23)
Lumber--Drying. (15)
Lumber--Grading (1)
Lumber--Grading--Equipment And Supplies. (1)
Lumber--Grading--Standards. (1)
Lumber--Grading. (1)
Lumber--Handling--Equipment And Supplies. (1)
Lumber--Handling--United States. (1)
Lumber--Moisture--Measurement (2)
Lumber--Storage (2)
Lumber--Storage. (2)
Lumber--Transportation. (2)
Lumber. (15)
Lumber Trade (1)
Lumber Trade--United States. (1)
Lumber Trade. (1)
Lyctidae (1)
Lygus--Control (4)
Lygus--Control--Arizona (3)
Macadamia Nut--Hawaii. (2)
Machinery--Materials (1)
Maggots. (1)
Magnesium (1)
Magnesium. (1)
Mahonia--Diseases And Pests--Control--United States (5)
Mahonia--Law And Legislation--United States (7)
Mallophaga. (1)
Malvaceae--Quarantine--Saint Vincent And The Grenadines--Saint Vincent. (1)
Mandates--Palestine. (4)
Manganese (2)
Mango--Certification--Puerto Rico. (2)
Mango--Diseases And Pests (2)
Mango--Fumigation--Law And Legislation--Puerto Rico (2)
Mango--Mexico. (2)
Maple--Diseases And Pests. (2)
Maps--Protection. (1)
Marine Borers. (1)
Mate (Tea). (1)
Mate Plant (1)
Measuring Instruments (1)
Meat Industry And Trade--Law And Legislation--United States. (2)
Meat Industry And Trade--Wisconsin (1)
Meat Industry And Trade--Wisconsin--Eau Claire. (1)
Meat Industry And Trade--Wisconsin--Green Bay (1)
Meat Industry And Trade--Wisconsin--Madison (1)
Meat Industry And Trade--Wisconsin--Milwaukee (1)
Meat Industry And Trade--Wisconsin--Racine (1)
Meat Inspection (2)
Meat Inspection--Law And Legislation--United States. (18)
Meat Inspection--United States. (2)
Meat Inspection. (1)
Mediterranean Flour Moth (2)
Mediterranean Fruit-fly--Control--Law And Legislation--United States (1)
Mediterranean Fruit-fly--Control--United States (5)
Mediterranean Fruit-fly. (1)
Meliaceae. (1)
Melon Fly--Control. (1)
Mercury Switches. (1)
Mesquite--Hawaii. (1)
Metabolism (2)
Metabolism. Human Body. (1)
Metal Bonding--Testing (1)
Metal Bonding. (1)
Metals--Etching (1)
Mexican Bean Beetle--Control. (1)
Mexican Bean Beetle. (2)
Mexican Fruit-fly--Control--Law And Legislation--United States (29)
Mexican Fruit-fly--Control--Law And Legislation--United States. (2)
Mexican Fruit-fly--Control--Texas (1)
Mexican Fruit-fly--Control--United States (4)
Mexican Fruit-fly--Control. (3)
Mexican Fruit-fly--Quarantine (3)
Mice. (1)
Microorganisms--Detection--Technological Innovations (1)
Microscopes. (1)
Microscopy. (1)
Microstructure. (1)
Migratory Birds--Collection And Preservation--Law And Legislation--United States (1)
Migratory Birds--Collection And Preservation--Licenses--United States (1)
Migratory Birds--Conservation--Law And Legislation--Great Britain. (2)
Migratory Birds--Conservation--Law And Legislation--United States (4)
Migratory Birds--Conservation--Law And Legislation--United States. (4)
Milk--Analysis (1)
Milk--Analysis. (1)
Milk--Pasteurization. (1)
Milk--Quality. (2)
Milk. (1)
Milk Commissions, Medical (1)
Milk Consumption--Northeastern States (1)
Milking Machines. (1)
Milk Trade--Northeastern States. (1)
Millwork (Woodwork (1)
Millwork (Woodwork. (2)
Mine Timbering (1)
Mine Timbering--Safety Measures (1)
Mites (1)
Mites--Classification. (1)
Mites--Control (2)
Mites--Control. (1)
Mites. (2)
Mites Lice Poultry (1)
Mixing. (1)
Mixing Machinery (4)
Mnemonics--Agriculture. (1)
Moisture Meters (1)
Moisture Meters. (1)
Molds (Fungi)--Control. (1)
Mole Crickets. (1)
Moose (1)
Mortgages (1)
Mortgages. (1)
Mosquitoes (1)
Mosquitoes--Control (1)
Mosquitoes--Control. (1)
Mosquitoes--Larvae (1)
Mosquitoes--Larvae--Control (2)
Mosquitoes--North America (1)
Mosquitoes--North America. (1)
Mosquitoes. (4)
Mothproofing (1)
Mothproofing. (1)
Moths. (1)
Mountain Pine Beetle (1)
Mountain Sheep. (1)
Mushrooms--Diseases And Pests. (1)
Myiasis--Anatomy (1)
Myristicaceae. (1)
Nails And Spikes--Testing (1)
Nails And Spikes. (2)
Narcissus (Plants)--Quarantine--United States. (2)
Narcissus (Plants)--United States (1)
Narcissus (Plants)--United States. (1)
Narcissus Bulb Fly--Control--Quarantine--United States (1)
Narcissus Bulbs--Control--Quarantine--United States. (1)
Narcissus Bulbs--Law And Legislation--United States. (1)
National Parks And Reserves--United States. (2)
Nematode Diseases Of Plants (1)
Nets (2)
Newsprint. (1)
Nickel (1)
Nicotiana. (1)
Nicotine (1)
Nicotine--Bibliography (2)
Nicotinoids (6)
Nicotinoids--Testing (1)
Nitrification--Soil Microbiology (1)
Nitrifying Bacteria (1)
Nitro Compounds (1)
Nitrogen--Metabolism (1)
Nitrogen. (1)
Nozzles. (1)
Nurseries (Horticulture. (2)
Nursery Stock--Control--Quarantine--United States (4)
Nursery Stock--Diseases And Pests (1)
Nursery Stock--Diseases And Pests--Control. (1)
Nursery Stock--Fumigation. (4)
Nursery Stock--Law And Legislation--Puerto Rico. (1)
Nursery Stock--Packaging--Law And Legislation--United States. (2)
Nursery Stock--Packaging--United States (2)
Nursery Stock--Packaging--United States. (15)
Nursery Stock--Quarantine--United States (1)
Nursery Stock--Transportation (2)
Nursery Stock--Transportation--Law And Legislation--Idaho. (2)
Nursery Stock--Transportation--Law And Legislation--Illinois. (1)
Nursery Stock--Transportation--Law And Legislation--Indiana. (1)
Nursery Stock--Transportation--Law And Legislation--Iowa. (1)
Nursery Stock--Transportation--Law And Legislation--Kansas. (1)
Nursery Stock--Transportation--Law And Legislation--Kentucky. (2)
Nursery Stock--Transportation--Law And Legislation--Louisiana. (1)
Nursery Stock--Transportation--Law And Legislation--Maryland. (1)
Nursery Stock--Transportation--Law And Legislation--Massachusetts. (1)
Nursery Stock--Transportation--Law And Legislation--Michigan. (1)
Nursery Stock--Transportation--Law And Legislation--Minnesota. (1)
Nursery Stock--Transportation--Law And Legislation--Mississippi. (2)
Nursery Stock--Transportation--Law And Legislation--Missouri. (1)
Nursery Stock--Transportation--Law And Legislation--Montana. (1)
Nursery Stock--Transportation--Law And Legislation--Nebraska. (1)
Nursery Stock--Transportation--Law And Legislation--Nevada. (1)
Nursery Stock--Transportation--Law And Legislation--New Hampshire. (1)
Nursery Stock--Transportation--Law And Legislation--New Jersey. (1)
Nursery Stock--Transportation--Law And Legislation--New Mexico. (1)
Nursery Stock--Transportation--Law And Legislation--New York (State. (1)
Nursery Stock--Transportation--Law And Legislation--North Carolina. (1)
Nursery Stock--Transportation--Law And Legislation--North Dakota. (1)
Nursery Stock--Transportation--Law And Legislation--Ohio. (1)
Nursery Stock--Transportation--Law And Legislation--Oklahoma. (1)
Nursery Stock--Transportation--Law And Legislation--Oregon. (2)
Nursery Stock--Transportation--Law And Legislation--Pennsylvania. (1)
Nursery Stock--Transportation--Law And Legislation--Rhode Island. (1)
Nursery Stock--Transportation--Law And Legislation--South Carolina. (2)
Nursery Stock--Transportation--Law And Legislation--South Dakota. (1)
Nursery Stock--Transportation--Law And Legislation--Tennessee. (1)
Nursery Stock--Transportation--Law And Legislation--Texas. (1)
Nursery Stock--Transportation--Law And Legislation--Utah. (1)
Nursery Stock--Transportation--Law And Legislation--Vermont. (1)
Nursery Stock--Transportation--Law And Legislation--Washington (State. (1)
Nursery Stock--Transportation--Law And Legislation--West Virginia. (1)
Nutrition--New Mexico (1)
Nutrition.Dietaries. (1)
Nutrition Surveys--Indiana. (1)
Nutritive Value (1)
Oak. (1)
Oats--Postharvest Losses--Prevention (1)
Oats--Seeds--United States. (1)
Oats--United States (1)
Ochnaceae (1)
Oil As Pesticide. (2)
Oil Industries--United States (1)
Oils And Fats, Edible--Economic Aspects--United States. (1)
Oils And Fats. (1)
Olive--Quarantine--Brazil (1)
Onions--Diseases And Pests--Control (1)
Onions--United States (1)
Optical Instruments--Equipment And Supplies. (1)
Oranges--Bermuda Islands (2)
Oranges--Diseases And Pests--Control--United States. (1)
Oranges--Diseases And Pests--Florida. (1)
Oranges--Florida (1)
Oranges--Fumigation--United States (1)
Oranges--Gulf States. (1)
Oranges--Harvesting Time--United States (2)
Oranges--Puerto Rico (1)
Oranges--Transportation--United States. (1)
Orchards--Great Plains (1)
Orchards--United States. (1)
Orchids--Fumigation (1)
Orchids--Seedlings. (1)
Organic Compounds (2)
Organic Compounds--Storage. (1)
Organic Compounds--Synthesis (2)
Organic Compounds--Synthesis. (11)
Organic Compounds--Testing. (2)
Organic Compounds--Toxicity Testing. (2)
Organic Compounds. (4)
Organic Wastes As Fertilizer--Puerto Rico. (1)
Organochlorine Compounds (1)
Organochlorine Compounds. (1)
Organophosphorus Compounds (1)
Organosulfur Compounds (1)
Oriental Fruit Moth--Control (3)
Oriental Fruit Moth--Control--New Jersey (1)
Ornithology--Study And Teaching. (1)
Outbuildings--United States. (1)
Outdoor Photography--Equipment And Supplies. (1)
Oyster-shell Scale (2)
Pacific Madrone. (1)
Packaging--Law And Legislation--United States (1)
Packaging--Law And Legislation--United States. (2)
Packing For Shipment--Materials--United States. (1)
Paint (1)
Papaya--Hawaii. (2)
Paper (1)
Paper, Plastic (3)
Paper, Plastic--Mechanical Properties (1)
Paper, Plastic. (1)
Paper Industry--Japan (1)
Papermaking. (2)
Parasites (25)
Parasites--Life Cycles. (1)
Parasites. (1)
Parasites.Gypsy Moth. (1)
Parasitic Insects (1)
Parasitic Insects--North America (1)
Parasitism. (1)
Parathion. (1)
Parlatoria--United States. (2)
Particles--Measurement. (1)
Particle Size Determination. (1)
Passion Fruit--Hawaii. (1)
Pastures--Agriculture (1)
Patents (1)
Pea-weevil--Control (2)
Pea-weevil--Control. (1)
Pea Aphid--Control (1)
Pea Aphid. (2)
Peach--Diseases. (2)
Peach--Diseases And Pests (2)
Peach--Diseases And Pests--Control (1)
Peach--Diseases And Pests--Control. (3)
Peach--Diseases And Pests--Florida (1)
Peach--Harvesting--Equipment And Supplies. (1)
Peach--Packing--United States. (1)
Peach-tree Borer--Control (1)
Peach Diseases And Pests. (1)
Peanut Industry--Hawaii. (1)
Peanut Products. (1)
Peanuts (1)
Peanuts--Diseases And Pests--Control (1)
Peanuts--Diseases And Pests--Control. (1)
Pear--Diseases And Pests. (2)
Pear Thrips. (1)
Peas--United States. (1)
Pecan--Diseases And Pests--Control--Southern States (1)
Pecan--Diseases And Pests--Control--Southern States. (1)
Pecan--Diseases And Pests--Louisiana (1)
Pediculidae (1)
Pennisetum Purpureum. Hawaii. (1)
Pentachlorophenol. (1)
Peppers--Seeds--Quarantine--Dominican Republic. (1)
Pepper Weevil--Control--California--Alhambra (1)
Percentage (1)
Periodical Cicada--East (U.S. (1)
Perishable Goods. (1)
Pest Control Baits. (2)
Pesticide Residues In Feeds (1)
Pesticide Residues In Feeds. (1)
Pesticides (1)
Pesticides--Application (4)
Pesticides--Synthesis (1)
Pesticides--Toxicology (1)
Pesticides--Toxicology. (1)
Pesticides. (1)
Pests--Control (2)
Pests--Control--Law And Legislation--United States (1)
Pests--Control. (20)
Pests--Quarantine. (1)
Pests. (1)
Phenols. (1)
Phenylhydrazine (1)
Phenylhydrazine. (1)
Philaenus Leucophthalmus--Control (1)
Phormia Regina--Control. (1)
Phosphorus--Metabolism. (1)
Photography, Agricultural--Equipment And Supplies. (1)
Photometry. (1)
Phyllophaga--Control (1)
Phyllophaga--Control--Louisiana. (1)
Phytopathogenic Fungi. (1)
Pieris Rapae. (1)
Pigeon Pea (1)
Pigeon Pea--Hawaii. (1)
Pine--Diseases And Pests--Black Hills National Forest (S.D. And Wyo.. (1)
Pine--Diseases And Pests--Quarantine. (1)
Pine--Diseases And Pests. (3)
Pine. (1)
Pineapple (1)
Pineapple--Certification--Hawaii (1)
Pineapple--Diseases And Pests (1)
Pineapple--Effect Of Manganese On--Hawaii (1)
Pineapple--Fumigation--Hawaii (1)
Pineapple--Ripening. (1)
Pineapple--Wounds And Injuries--Hawaii. (1)
Pineapple. (2)
Pineapple.Soils. (1)
Pineapple Industry--Hawaii. (1)
Pine Cones--Drying (1)
Pine Oil. (1)
Pink Bollworm (1)
Pink Bollworm--Biological Control (1)
Pink Bollworm--Control (1)
Pink Bollworm--Control--Florida. (1)
Pink Bollworm--Control--Law And Legislation--United States (7)
Pink Bollworm--Control--New Mexico (4)
Pink Bollworm--Control--Texas (3)
Pink Bollworm--Control--Texas. (2)
Pink Bollworm--Control--United States (17)
Pink Bollworm--Control--United States. (6)
Pink Bollworm--Control. (1)
Pink Bollworm--Hibernation--Oklahoma (1)
Pink Bollworm--Hibernation--Texas (1)
Pink Bollworm--Quarantine (15)
Plant-soil Relationships (1)
Plant-soil Relationships--Quarantine--Hawaii (1)
Plant-soil Relationships--Quarantine--Puerto Rico (1)
Plantago (1)
Plant Diseases (19)
Plant Diseases--Control--Turkey. (1)
Plant Diseases--Quarantine (1)
Plant Diseases--Quarantine. (6)
Plant Diseases--United States. (61)
Plant Diseases. (21)
Plantes--Parasites--Etats-Unis. (10)
Plantes--Quarantaine--Etats-Unis (10)
Plant Genetics. (1)
Planting Time (1)
Plant Inspection. (1)
Plant Litter--Diseases And Pests. (1)
Plant Mites--Control. (1)
Plant Parasites--Black Hills National Forest (S.D. And Wyo. (1)
Plant Parasites--United States (10)
Plant Propagation (1)
Plant Quarantine--Law And Legislation (1)
Plant Quarantine--Law And Legislation--Alabama (2)
Plant Quarantine--Law And Legislation--Alaska (1)
Plant Quarantine--Law And Legislation--Albania. (1)
Plant Quarantine--Law And Legislation--Algeria. (3)
Plant Quarantine--Law And Legislation--Angola (1)
Plant Quarantine--Law And Legislation--Antigua And Barbuda. (3)
Plant Quarantine--Law And Legislation--Argentina (2)
Plant Quarantine--Law And Legislation--Argentina. (6)
Plant Quarantine--Law And Legislation--Arizona (2)
Plant Quarantine--Law And Legislation--Arkansas (1)
Plant Quarantine--Law And Legislation--Arkansas. (1)
Plant Quarantine--Law And Legislation--Australia. (8)
Plant Quarantine--Law And Legislation--Austria. (4)
Plant Quarantine--Law And Legislation--Bahamas. (1)
Plant Quarantine--Law And Legislation--Barbados (2)
Plant Quarantine--Law And Legislation--Belgium (1)
Plant Quarantine--Law And Legislation--Belgium. (3)
Plant Quarantine--Law And Legislation--Belize. (2)
Plant Quarantine--Law And Legislation--Bermuda Islands (2)
Plant Quarantine--Law And Legislation--Bermuda Islands. (5)
Plant Quarantine--Law And Legislation--Bolivia. (2)
Plant Quarantine--Law And Legislation--Brazil. (7)
Plant Quarantine--Law And Legislation--Bulgaria. (2)
Plant Quarantine--Law And Legislation--Burma. (1)
Plant Quarantine--Law And Legislation--California (2)
Plant Quarantine--Law And Legislation--Canada (1)
Plant Quarantine--Law And Legislation--Canada. (6)
Plant Quarantine--Law And Legislation--Cape Verde. (1)
Plant Quarantine--Law And Legislation--Channel Islands--Guernsey. (1)
Plant Quarantine--Law And Legislation--Chile (1)
Plant Quarantine--Law And Legislation--Chile. (3)
Plant Quarantine--Law And Legislation--China. (1)
Plant Quarantine--Law And Legislation--Colombia. (3)
Plant Quarantine--Law And Legislation--Colonies--France (2)
Plant Quarantine--Law And Legislation--Colonies--France. (1)
Plant Quarantine--Law And Legislation--Colorado (1)
Plant Quarantine--Law And Legislation--Congo (Democratic Republic. (3)
Plant Quarantine--Law And Legislation--Connecticut (1)
Plant Quarantine--Law And Legislation--Costa Rica. (2)
Plant Quarantine--Law And Legislation--Cuba (3)
Plant Quarantine--Law And Legislation--Cuba. (2)
Plant Quarantine--Law And Legislation--Cyprus. (1)
Plant Quarantine--Law And Legislation--Czechoslovakia (2)
Plant Quarantine--Law And Legislation--Czechoslovakia. (4)
Plant Quarantine--Law And Legislation--Delaware (1)
Plant Quarantine--Law And Legislation--Denmark. (1)
Plant Quarantine--Law And Legislation--Dominica. (3)
Plant Quarantine--Law And Legislation--Dominican Republic (2)
Plant Quarantine--Law And Legislation--Dominican Republic. (3)
Plant Quarantine--Law And Legislation--Ecuador. (1)
Plant Quarantine--Law And Legislation--Egypt. (7)
Plant Quarantine--Law And Legislation--El Salvador. (4)
Plant Quarantine--Law And Legislation--Equatorial Guinea--Fernando Po (1)
Plant Quarantine--Law And Legislation--Equatorial Guinea. (1)
Plant Quarantine--Law And Legislation--Fiji. (1)
Plant Quarantine--Law And Legislation--Finland. (4)
Plant Quarantine--Law And Legislation--Florida (2)
Plant Quarantine--Law And Legislation--France. (13)
Plant Quarantine--Law And Legislation--French Guiana (1)
Plant Quarantine--Law And Legislation--French Polynesia (1)
Plant Quarantine--Law And Legislation--Gambia. (2)
Plant Quarantine--Law And Legislation--Gdansk (Poland. (2)
Plant Quarantine--Law And Legislation--Georgia (2)
Plant Quarantine--Law And Legislation--Georgia. (1)
Plant Quarantine--Law And Legislation--Germany (West. (1)
Plant Quarantine--Law And Legislation--Germany. (6)
Plant Quarantine--Law And Legislation--Ghana (1)
Plant Quarantine--Law And Legislation--Ghana. (3)
Plant Quarantine--Law And Legislation--Gilbert And Ellice Islands Colony. (1)
Plant Quarantine--Law And Legislation--Great Britain (3)
Plant Quarantine--Law And Legislation--Great Britain. (10)
Plant Quarantine--Law And Legislation--Greece (2)
Plant Quarantine--Law And Legislation--Greece. (2)
Plant Quarantine--Law And Legislation--Grenada. (1)
Plant Quarantine--Law And Legislation--Guadeloupe (1)
Plant Quarantine--Law And Legislation--Guadeloupe. (1)
Plant Quarantine--Law And Legislation--Guatemala. (3)
Plant Quarantine--Law And Legislation--Guyana. (2)
Plant Quarantine--Law And Legislation--Haiti. (2)
Plant Quarantine--Law And Legislation--Hawaii (4)
Plant Quarantine--Law And Legislation--Honduras. (3)
Plant Quarantine--Law And Legislation--Hungary. (2)
Plant Quarantine--Law And Legislation--Idaho (2)
Plant Quarantine--Law And Legislation--Illinois (1)
Plant Quarantine--Law And Legislation--India. (14)
Plant Quarantine--Law And Legislation--Indiana (1)
Plant Quarantine--Law And Legislation--Indonesia--Papua. (1)
Plant Quarantine--Law And Legislation--Indonesia. (3)
Plant Quarantine--Law And Legislation--Iowa (1)
Plant Quarantine--Law And Legislation--Iran. (5)
Plant Quarantine--Law And Legislation--Iraq. (2)
Plant Quarantine--Law And Legislation--Ireland. (4)
Plant Quarantine--Law And Legislation--Israel. (1)
Plant Quarantine--Law And Legislation--Italy. (5)
Plant Quarantine--Law And Legislation--Jamaica (1)
Plant Quarantine--Law And Legislation--Jamaica. (3)
Plant Quarantine--Law And Legislation--Japan--Ryukyu Islands. (1)
Plant Quarantine--Law And Legislation--Japan. (3)
Plant Quarantine--Law And Legislation--Kansas (1)
Plant Quarantine--Law And Legislation--Kentucky (2)
Plant Quarantine--Law And Legislation--Kenya. (4)
Plant Quarantine--Law And Legislation--Korea. (1)
Plant Quarantine--Law And Legislation--Lebanon. (1)
Plant Quarantine--Law And Legislation--Louisiana (1)
Plant Quarantine--Law And Legislation--Luxembourg. (2)
Plant Quarantine--Law And Legislation--Malawi. (2)
Plant Quarantine--Law And Legislation--Malaysia--Malaya. (3)
Plant Quarantine--Law And Legislation--Malta. (5)
Plant Quarantine--Law And Legislation--Martinique. (1)
Plant Quarantine--Law And Legislation--Maryland (1)
Plant Quarantine--Law And Legislation--Massachusetts (1)
Plant Quarantine--Law And Legislation--Mauritius. (2)
Plant Quarantine--Law And Legislation--Mexico (6)
Plant Quarantine--Law And Legislation--Mexico. (1)
Plant Quarantine--Law And Legislation--Michigan (1)
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Plant Quarantine--Law And Legislation--Montserrat. (1)
Plant Quarantine--Law And Legislation--Morocco. (9)
Plant Quarantine--Law And Legislation--Mozambique. (1)
Plant Quarantine--Law And Legislation--Nebraska (1)
Plant Quarantine--Law And Legislation--Netherlands (2)
Plant Quarantine--Law And Legislation--Netherlands. (1)
Plant Quarantine--Law And Legislation--Nevada (1)
Plant Quarantine--Law And Legislation--New Caledonia. (1)
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Plant Quarantine--Law And Legislation--New Zealand. (3)
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Plant Quarantine--Law And Legislation--Palestine (4)
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Plant Quarantine--Law And Legislation--Pennsylvania (1)
Plant Quarantine--Law And Legislation--Peru. (3)
Plant Quarantine--Law And Legislation--Philippines. (3)
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Plant Quarantine--Law And Legislation--Portugal. (1)
Plant Quarantine--Law And Legislation--Puerto Rico (2)
Plant Quarantine--Law And Legislation--Puerto Rico. (1)
Plant Quarantine--Law And Legislation--Rhode Island (1)
Plant Quarantine--Law And Legislation--Romania. (6)
Plant Quarantine--Law And Legislation--Saint Kitts And Nevis. (2)
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Plant Quarantine--Law And Legislation--Saint Vincent And The Grenadines--Saint Vincent. (1)
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Plant Quarantine--Law And Legislation--South Africa. (9)
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Plant Quarantine--Law And Legislation--Soviet Union. (3)
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Plant Quarantine--Law And Legislation--Sri Lanka. (4)
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Plant Quarantine--Law And Legislation--Switzerland (2)
Plant Quarantine--Law And Legislation--Switzerland. (2)
Plant Quarantine--Law And Legislation--Taiwan. (1)
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Plant Quarantine--Law And Legislation--Tennessee (1)
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Plant Quarantine--Law And Legislation--Trinidad And Tobago. (3)
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Plant Quarantine--Law And Legislation--Turkey (3)
Plant Quarantine--Law And Legislation--Turkey. (2)
Plant Quarantine--Law And Legislation--United States (138)
Plant Quarantine--Law And Legislation--United States. (62)
Plant Quarantine--Law And Legislation--Uruguay (5)
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Plant Quarantine--Law And Legislation--Venezuela. (5)
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Plant Quarantine--Law And Legislation--Yugoslavia. (5)
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Plant Quarantine--United States (12)
Plant Quarantine--United States. (21)
Plant Quarantine. (11)
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Puccinia Graminis--Control--Law And Legislation--United States (2)
Puccinia Graminis--Control--Law And Legislation--United States. (6)
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Pyrethrum (Insecticide). (1)
Quails--Law And Legislation--United States. (3)
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Quarantine, Veterinary--Law And Legislation--United States (8)
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Russian Thistle--California--San Joaquin Valley (1)
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Sandwich Construction. (2)
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Sawmills. (5)
Scabies In Cattle--Law And Legislation--United States (5)
Scabies In Cattle--Law And Legislation--United States. (3)
Scabies In Sheep--Law And Legislation--United States (2)
Scabies In Sheep--Law And Legislation--United States. (7)
Scale Insects--United States (2)
Scale Insects. (2)
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Scolytus Multistriatus (1)
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Screwworm--Control (5)
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Seasonal Unemployment--United States. (1)
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Solution (Chemistry (2)
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Spider Mites--United States. (1)
Spider Mites. (6)
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Spotted Cucumber Beetle--Control (4)
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Spraying And Dusting In Agriculture. (21)
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Spraying And Dusting Residues In Agriculture. (1)
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Thrips. (3)
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Ticks--United States. (2)
Ticks As Carriers Of Disease. (1)
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Timber--New England. (2)
Timber. (2)
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Tobacco. (3)
Tobacco Flea Beetle--Control. (1)
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Tobacco Industry--United States (39)
Tobacco Industry. (1)
Tobacco Manufacture And Trade--United States--Statistics--Periodicals. (39)
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Toxoptera (4)
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Tuberculin Test--Law And Legislation--United States (2)
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Tuberculosis In Animals. (1)
Tuberculosis In Cattle--Law And Legislation--United States (2)
Tuberculosis In Cattle. (1)
Tubers--United States. (2)
Tupelo. (1)
Turkeys--Breeding (1)
Turkeys--Breeding, Etc., United States. (1)
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Two-spotted Spider Mite--Control (1)
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Vegetables--Diseases And Pests. (13)
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Vetch. (1)
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Western Grape-leaf Skeletonizer--Control--Mexico. (1)
Western Grass-stem Sawfly. (2)
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White-fringed Beetles--Control--United States (9)
White-fringed Beetles--Control--United States. (28)
White-fringed Beetles--Control. (4)
White-fringed Beetles--Quarantine--United States. (1)
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White Oak (1)
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White Pine Weevil (2)
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World War, 1914-1918--Economic Aspects. (1)
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World War, 1939-1945--Health Aspects. (24)
World War, 1939-1945. (2)
Yams. Puerto Rico. (1)
Yellow Clover Aphid (4)
Zoology, Medical. (18)